C / C++ / MFC

    <br />
    sockaddr_in server          ={0};<br />
    SOCKET sClient              = 0;<br />
    <br />
<br />
    // fill in server data structure<br />
    server.sin_family = AF_INET;<br />
    server.sin_port = htons(ESEP_SERVER_PORT_1);<br />
    server.sin_addr.S_un.S_addr  = htonl(ulIP);<br />
<br />
    <br />
    // Create a client socket<br />
    if ((sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP)) == INVALID_SOCKET )<br />
    {<br />
        FormatError();           <br />
        return ESEP_ERR_CREATE_SOCKET;<br />
    }<br />
      <br />
    fd_set fdWrite          ={0};<br />
    TIMEVAL time            ={0};<br />
    int iRC                 = 0;<br />
    unsigned long ulMode    = 0; // Socket mode<br />
<br />
    <br />
    // make the socket non-blocking<br />
    ulMode = 1;<br />
    if (ioctlsocket(sClient, FIONBIO, &ulMode) == SOCKET_ERROR)<br />
    {<br />
        FormatError();<br />
        return ESEP_ERR_CONNECT;<br />
    }<br />
<br />
    // Set up the necessary structures to<br />
    // manage the timeout in the connection attempt<br />
    FD_ZERO(&fdWrite);<br />
    FD_SET(sClient,&fdWrite);<br />
    time.tv_usec = ESEP_CONNECT_TIMEOUT; // timeout in milliseconds<br />
<br />
    // try to connect to the peer server<br />
    iRC = connect(sClient,(SOCKADDR *)&server, sizeof(server));<br />
    // Check if the timeout has elapsed without success<br />
    if ((iRC == SOCKET_ERROR) && ( WSAGetLastError() == WSAEWOULDBLOCK ))<br />
    {<br />
        if ( select(0,NULL,&fdWrite,NULL,&time) <= 0 )<br />
        {<br />
            FormatError();<br />
            return ESEP_ERR_CONEX_REJECTED;<br />
        }<br />
    }<br />